@import url(https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&family=Playfair+Display:wght@700&display=swap);:root{--primary-color:#5e493e;--accent-color:#a68b7c;--text-dark:#2c2c2c;--text-muted:#666;--bg-light:#fff;--bg-soft:#fcfaf8;--white:#fff;--danger:#e74c3c;--success:#27ae60;--shadow:0 10px 30px rgba(0,0,0,.05)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:'Inter',sans-serif;color:var(--text-dark);line-height:1.6;background:var(--bg-light)}h1,h2,h3{font-family:'Playfair Display',serif;color:var(--primary-color)}a{text-decoration:none;transition:.3s ease}nav{background:rgba(255,255,255,.98);padding:15px 5%;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px rgba(0,0,0,.05)}.logo{font-size:1.4rem;font-weight:700;color:var(--primary-color);letter-spacing:1px}.nav-links{display:flex;gap:25px;align-items:center}.nav-links a{color:var(--text-dark);font-weight:600;font-size:.85rem;text-transform:uppercase}.nav-links a:hover{color:var(--accent-color)}.hero{height:60vh;background:linear-gradient(rgba(0,0,0,.6),rgba(0,0,0,.6)) , url(http://www.bustanussalatin.org/images/xbackground.jpg.pagespeed.ic.GsQDeV9JtK.jpg);background-size:cover;background-position:center;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;color:var(--white);padding:0 20px}.hero h1{font-size:clamp(2.5rem,5vw,4rem);color:var(--white);margin-bottom:15px}.hero p{font-size:1.1rem;max-width:600px;font-weight:300;opacity:.9}.container{max-width:1200px;margin:60px auto;padding:0 25px}.section-title{text-align:center;margin-bottom:50px}.book-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:40px}.book-card{background:var(--white);border-radius:12px;overflow:hidden;box-shadow:var(--shadow);border:1px solid #f0f0f0;transition:transform .4s ease}.book-card:hover{transform:translateY(-10px)}.book-img{width:100%;height:450px;object-fit:cover}.book-info{padding:30px}.book-info h3{margin-bottom:12px;min-height:3.5rem}.admin-card{background:var(--white);padding:30px;border-radius:12px;box-shadow:var(--shadow);border:1px solid #f0f0f0;margin-top:20px}.admin-table{width:100%;border-collapse:collapse}.admin-table th{background:var(--bg-soft);color:var(--primary-color);padding:15px;text-align:left;border-bottom:2px solid var(--accent-color);font-size:.85rem;text-transform:uppercase}.admin-table td{padding:15px;border-bottom:1px solid #eee}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-weight:600;color:var(--primary-color)}.form-control{width:100%;padding:12px;border:1px solid #ddd;border-radius:6px;font-family:'Inter',sans-serif}.form-control:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(94,73,62,.1)}.btn{display:inline-block;padding:12px 24px;border-radius:6px;font-weight:600;cursor:pointer;border:none;text-align:center}.btn-primary{background:var(--primary-color);color:var(--white)}.btn-primary:hover{background:var(--accent-color)}.btn-danger{background:var(--danger);color:var(--white)}.btn-success{background:var(--success);color:var(--white)}.btn-sm{padding:6px 12px;font-size:.8rem}footer{background:#232323;color:#b0b0b0;padding:60px 5% 30px}.footer-bottom{text-align:center;border-top:1px solid #333;padding-top:30px;margin-top:40px;font-size:.8rem}@media (max-width:768px){.nav-links{display:none}.book-img{height:350px}}.wa-action-btn{display:inline-flex;align-items:center;justify-content:center;background-color:#25d366;color:#fff!important;padding:12px 25px;border-radius:50px;font-weight:600;text-decoration:none;box-shadow:0 10px 20px rgba(37,211,102,.2);transition:all .3s ease;border:none;cursor:pointer}.wa-action-btn:hover{background-color:#1ebe57;transform:translateY(-3px);box-shadow:0 15px 25px rgba(37,211,102,.3);color:#fff!important}.wa-action-btn img{margin-right:10px}.wa-small{padding:10px 18px;font-size:.85rem;width:100%;box-sizing:border-box}.popup-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.85);z-index:99999;justify-content:center;align-items:center;backdrop-filter:blur(5px)}.popup-content{position:relative;max-width:500px;width:90%;max-height:90vh;background:transparent;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:visible;animation:popupZoomIn .4s cubic-bezier(.165,.84,.44,1)}.popup-content img{width:100%;height:auto;max-height:85vh;object-fit:contain;display:block;border-radius:8px;box-shadow:0 25px 50px rgba(0,0,0,.6)}.btn-close-popup{position:absolute;top:-15px;right:-15px;background:#fff;color:#333;border:none;border-radius:50%;width:36px;height:36px;cursor:pointer;font-size:1.4rem;font-weight:bold;display:flex;align-items:center;justify-content:center;z-index:100001;box-shadow:0 4px 12px rgba(0,0,0,.3);transition:transform .2s ease}.btn-close-popup:hover{transform:scale(1.1) rotate(90deg)}@keyframes popupZoomIn {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}@media (max-width:600px){.btn-close-popup{top:10px;right:10px;width:32px;height:32px}}.login-page{background:var(--bg-soft);display:flex;justify-content:center;align-items:center;min-height:100vh;padding:20px}.login-page .admin-card{max-width:400px;width:100%;margin-top:0;padding:40px;box-shadow:0 15px 35px rgba(0,0,0,.1)}.login-page h2{text-align:center;margin-bottom:30px;font-size:1.8rem;color:var(--primary-color)}.login-page .btn-primary{width:100%;padding:14px;margin-top:10px}.login-page nav{display:none}